Synonyms|796Antonyms|149|Broader|10Narrower|0Related|951

88 entries under slight topic. ×

1
spongy(adjective, light, easy, thin)
1
sprightly(adjective, light, easy, thin)
1
sylphlike(adjective, light, easy, thin)
1
tissuelike(adjective, light, easy, thin)
1
transparent(weak, thin, feeble, tacky)
1
unheavy(adjective, light, easy, thin)
0
fly-by-night(light, weak, imaginary, flimsy)
0
too little too late(expression, idiom, light, weak)
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APASmart Define. (2016). unsubstantial thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unsubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsubstantial thesaurus" https://smartdefine.org/unsubstantial/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unsubstantial thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unsubstantial/thesaurus/synonyms>.
MLASmart Define. "unsubstantial thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/unsubstantial/thesaurus/synonyms>